Chinese Welding Training and Qualification Committee (CANB) is a legal organisation authorised by International Institute of Welding (IIW) to implement international harmonised qualification system in china. In January 2000, IIW awarded full authorisation to CANB, since then CANB has started to implement the system worldwide and issue diplomas recognised by IIW members. Candidates passing the examination can get the following diplomas:

International Welding Engineer (IWE)

International Welding Technologist (IWT)

International Welding Specialist ( IWS )

International Welding Practitioner (IWP)

International Welder (IW)

International Welding Inspection Personnel ( IWIP )

Up to 2013, CANB has issued over 10,000 diplomas and the number of diplomas CANB awarded ranks the second in the world.